28 29 Andresen then sought to decentralize control. Beikverdi,.; Song,. Archived from the original on Retrieved orth, Gary (3 December 2013). 41 43 In April, exchanges BitInstant and. Retrieved b Robin Sidel (1 December 2014).
Archived from the original on 16 February 2018. Peters, Jeremy.; Popper, Nathaniel. Some concerns have been raised that Bitcoin could be more attractive to criminals because it can be used to make private and irreversible payments. This allows mining to secure and maintain a global consensus based on processing power. Every 2,016 blocks (approximately 14 days at roughly 10 min per block the difficulty target is adjusted based on the network's recent performance, with the aim of keeping the average time between new blocks at ten minutes. Archived from the original on 2 November 2014. Bitcoin Gold changes the proof-of-work algorithm used in mining, as the developers felt that mining had become too specialized. Archived from the original on Retrieved McMillan, Robert. Archived (PDF) from the original on 11 November 2014.